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本文以混合型阳离子(MCX)固相萃取(SPE)小柱分离富集了牛奶提取液中的三聚氰胺,优化了固相萃取条件,复杂基质被有效去除,应用高效液相色谱(HPLC)法成功实现牛奶中三聚氰胺的检测,加标回收率接近90%。
In this paper, the mixed cation (MCX) solid phase extraction (SPE) cartridge was used to separate and enrich the melamine in the milk extract. The conditions of solid phase extraction were optimized. The complex matrix was effectively removed. The HPLC method was used successfully Milk detection of melamine, spiked recoveries close to 90%.